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5. loony
A Canadian dollar coin.
I'll give ya a loony for that samich.
1. loony
a person whos crazy
someone like size tha loony
by Shaolin Monk May 28, 2003 add a video
2. loony
1. short for "lunatic". A crazy person. This term is derived from the phrase "crazy as a loon".

2. in Canada this word denotes a 1 dollar coin that has a loon bird on one side. A Canadian 2 dollar coin, which has a polar bear on one side is called a "toony".
1. The loony is on the grass.

2. At the University of Toronto I talked to a student there and I mentioned seeing the word "loonies" on a video game in a bar nearby. I told her that in America a loony is a lunatic, that the word means that someone is nuts. She said it used to mean that in Canada too, but the meaning changed when the coins were introduced.
3. Loony
Goofy, crazy.

I guess it could also mean 'like a loon (the bird)', but what would that be saying?
Mick: Steve's acting a little loony; now he's always talking about this get-rich quick scheme that he brought home from work and how he really wants each of us to have a piece of it. I'm not sure if he's joking or what.

Stan: You can never tell with that guy.
by Diggity Monkeez May 27, 2005 add a video
4. loony
Another name for Luna Lovegood from Harry Potter. It's a nickname that she got from being so quirky.
Peeves:Potter luuuuurves Loony!
6. loony
Someone who thinks they are effected by the phases of the moon - especially a full moon
You must be a loony
by Mike P Jan 21, 2004 add a video
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